please guy someone know how to change samsung IMEI number ?

Hello Guy please somebody have CM2 CHINESE MIRACLE FLASH TOOLS craked whitout box i need it please

I try it but saying brom start command error

please i need help i tryed to root my camon 15 CD7 but now is not booting just only on red state boot logo i try to flash the hovateck two firmware https://www.hovatek.com/forum/thread-32455.html but ...